Seiko Cal. 3820 - 669

The 3820-669 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-b1d80ad60fdf]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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